Drop of Honey
{G}
Enchantment
At the beginning of your upkeep, destroy the creature with the least power. It can't be regenerated. If two or more creatures are tied for least power, you choose one of them.
When there are no creatures on the battlefield, sacrifice ~this~.
Porphyry Nodes
{W}
Enchantment
At the beginning of your upkeep, destroy the creature with the least power. It can't be regenerated. If two or more creatures are tied for least power, you choose one of them.
When there are no creatures on the battlefield, sacrifice ~this~.
Task Mage Assembly
{2}{R}
Enchantment
When there are no creatures on the battlefield, sacrifice ~this~.
{2}: ~this~ deals 1 damage to target creature. Any player may activate this ability but only as a sorcery.